Quadratic equations

OpenStax

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Solving quadratic equations

Solving quadratic equations by factoring

Solving quadratic equations using the method of extraction of roots

Solving quadratic equations using the method of completing the square

Solving quadratic equations using the quadratic formula

2 The five-step method

4 Practice set a

6 Practice set b

8 Practice set c

10 Practice set d

11 Sample set e

12 Practice set e

13 Sample set f

14 Practice set f

16 Sample set a—type problems

17 Sample set b—type problems

18 Sample set c—type problems

19 Sample set d—type problems

20 Sample set e—type problems

21 Sample set f—type problems

22 Astrophysical problem

23 Exercises for review

Graphing quadratic solutions

Summary of key concepts

Exercise supplement

Proficiency exam

1 Proficiency exam

Source: OpenStax, Elementary algebra. OpenStax CNX. May 08, 2009 Download for free at http://cnx.org/content/col10614/1.3

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